Before and during the Civil War, （ ）stood firmly on the side of the North and wrote a series of poems gathered as a collection under the title of Drum Taps.
A、Walt Whitman
B、Nathaniel Hawthorne
C、Herman Melville
D、Mark Twain
【正确答案】：A
【题目解析】：南北战争前和内战期间，沃尔特·惠特曼坚定地站在北方一边，写了一系列诗集，并将其收集成册命名为《桴鼓集》。
